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An Ideal Gas Is Expanded at Constant Temperature

Question 90

Multiple Choice

An ideal gas is expanded at constant temperature.What are the signs (+,-,or 0) of ΔH,ΔS,and ΔG for this system?

A) ΔH = +,ΔS = -,ΔG = +
B) ΔH = 0,ΔS = +,ΔG = -
C) ΔH = 0,ΔS = -,ΔG = +
D) ΔH = -,ΔS = +,ΔG = -

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